JPH044328U - - Google Patents
Info
- Publication number
- JPH044328U JPH044328U JP4343690U JP4343690U JPH044328U JP H044328 U JPH044328 U JP H044328U JP 4343690 U JP4343690 U JP 4343690U JP 4343690 U JP4343690 U JP 4343690U JP H044328 U JPH044328 U JP H044328U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- battery
- detection means
- electronic circuit
- predetermined
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Power Sources (AREA)
Description
第1図ないし第5図は、いずれもこの考案の実
施例を示すものであつて、第1図は、この考案の
実施例である小型電子計算機の回路ブロツク図、
第2図は、第1図に示す小型電子計算機の動作を
示すフローチヤート、第3図ないし第5図は、第
1図に示す小型電子計算機におけるメツセージ表
示の表示状態を示す表示状態図である。
1…メイン電池、2…第1電圧検知回路、3…
DC−DCコンバータ、4…制御部、6…第2電
圧検知回路、8…バツクアツプ電池、9…第3電
圧検知回路、14…メツセージ表示記憶部、15
…表示部。
1 to 5 each show an embodiment of this invention, and FIG. 1 is a circuit block diagram of a small electronic computer that is an embodiment of this invention;
FIG. 2 is a flowchart showing the operation of the small computer shown in FIG. 1, and FIGS. 3 to 5 are display state diagrams showing the message display state in the small computer shown in FIG. . 1... Main battery, 2... First voltage detection circuit, 3...
DC-DC converter, 4... Control unit, 6... Second voltage detection circuit, 8... Backup battery, 9... Third voltage detection circuit, 14... Message display storage unit, 15
...Display section.
Claims (1)
駆動させる第1電池と、上記第1電池による供給
電圧が所定電圧以下である時上記電子回路の少な
くとも一部に電源供給を行う第2電池と、上記第
1電池の電圧が所定電圧以下になつたことを検知
する第1電圧検知手段と、上記第1電圧検知手段
による検知結果に応じてメツセージ表示を行う第
1メツセージ表示手段と、上記第2電池の電圧が
所定電圧以下になつたことを検知する第2電圧検
知手段と、上記第2電圧検知手段による検知結果
に応じてメツセージ表示を行う第2メツセージ表
示手段とを具備したことを特徴とする小型電子機
器。 an electronic circuit that performs a predetermined operation; a first battery that drives the electronic circuit; and a second battery that supplies power to at least a portion of the electronic circuit when the voltage supplied by the first battery is below a predetermined voltage. , a first voltage detection means for detecting that the voltage of the first battery has become lower than a predetermined voltage; a first message display means for displaying a message according to a detection result by the first voltage detection means; It is characterized by comprising a second voltage detection means for detecting that the voltage of the two batteries has fallen below a predetermined voltage, and a second message display means for displaying a message according to the detection result by the second voltage detection means. Small electronic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4343690U JPH044328U (en) | 1990-04-25 | 1990-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4343690U JPH044328U (en) | 1990-04-25 | 1990-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH044328U true JPH044328U (en) | 1992-01-16 |
Family
ID=31555845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4343690U Pending JPH044328U (en) | 1990-04-25 | 1990-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH044328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000059285A (en) * | 1998-08-06 | 2000-02-25 | Nippon Denki Ido Tsushin Kk | Radio information device |
-
1990
- 1990-04-25 JP JP4343690U patent/JPH044328U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000059285A (en) * | 1998-08-06 | 2000-02-25 | Nippon Denki Ido Tsushin Kk | Radio information device |
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